.container {
  width: 100%;

  .header {
    background-color: white;
    height: 50px;
  }

  .body {
    display: flex;
    padding: 12px;
    min-height: calc(100vh - 50px);
    justify-content: space-between;
    .left {
      width: 350px;
      flex-shrink: 0;
      background-color: #fff;
    }

    .center {
      
      width: 500px;
      position: relative;
      overflow: hidden;

      ::-webkit-scrollbar {
        //显示滑轮
        width: 6px;
        display: block;
      }
        ::-webkit-scrollbar-thumb {
          //滑块颜色
          background-color: #999;
          border-radius: 3px;
        }

      .main {
        width: 450px;
        height: 600px;
       
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translateX(-50%) translateY(-50%);
        box-shadow: 0 2px 10px #0000001f;
        overflow: auto;
      }
    }

    .right {
      width: calc(50% - 350px);
      flex-shrink: 0;
      background-color: #fff;
    }
  }


}